at the moment my laptop does not have any os i am trying to install ubuntu 10.04 but after the initial installation steps it shows an "input/output error during read on /dev/sda" and the installation stops
i have no idea what to do? any help would be very useful.
thank you

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What Filesystem/Partition Scheme did you choose during the installation?
–
aatdarkSep 15 '10 at 16:44

i just used the erase and use the entire disk option.
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sukritSep 15 '10 at 17:32

Have your checked your media?. If you hit SHIFT (or ESC, I don't really recall right now and can't test) while booting the installer will show you a menu with more options. There is one to check the install media there.
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Javier RiveraSep 15 '10 at 17:34

pressing shift or esc did not have any effect. i even tried the partition, having 60 gb hard disk gave 52 gb to ext4 and rest to swap area, still getting the same error..
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sukritSep 15 '10 at 18:27

@sukrit Please update your question with all the information you're putting in the comments so that they are all summarized in one place. People leave comments to remind you what they need to help you, so making your question more detailed over time is the best way to do that.
–
Jorge CastroSep 16 '10 at 1:59